How Does an HSA Work in Retirement?

Turning 65 changes how you can use your HSA, but the account does not expire. It remains yours for life.

After 65, withdrawals split into two buckets. Withdrawals for qualified medical expenses stay completely tax free - no change there. Withdrawals for non medical expenses lose the 20% penalty that would have applied before 65, but you pay income tax on the amount as ordinary income, just like a distribution from a traditional IRA. After age 65, HSA funds can be used for nonqualified expenses without penalties.

Age 65 is not the same as Medicare enrollment. The penalty disappears at 65 regardless of Medicare status. Contribution eligibility depends on whether you are enrolled in Medicare, not your birthday. If you are still working past 65 at a Northwest Arkansas employer with an HSA-eligible high deductible health plan and you decline Medicare, you can keep contributing.

HSAs do not require minimum distributions at age 73 the way IRAs do. There is no required minimum distribution forcing you to draw down the balance. That means your hsa account can compound well into your 70s and 80s while you cover health care expenses from other sources.

You must stop HSA contributions the month your Medicare Part A or Part B coverage becomes effective - even if you still have a high deductible health plan. Once Medicare is active, you can no longer contribute, and employer contributions must also stop.

Many people are automatically enrolled in Medicare Part A when they claim Social Security. At that point, account holders can no longer contribute to their own HSA for that tax year.

The most dangerous trap is the six-month lookback. If you delay Medicare past 65 and then enroll in Part A later - say at age 67 - Medicare can retroactively activate Part A up to six months. Contributions made during those retroactive months become excess HSA contributions and trigger a 6% excise tax each year until corrected. Excess contributions to an HSA incur a 6% excise tax.

For example, someone in Joplin who enrolls in Part A in October 2027 at age 67 could have Part A backdated to April 2027. Every dollar contributed from April through October would be excess. Those must be removed - with associated earnings - before your tax filing deadline.

Practical steps: stop contributions at least one month before your expected Medicare start date, and work with a CPA to correct any excess. Revolutionary Wealth routinely models this timing so clients maximize pre-Medicare funding without stumbling into penalties.

Yes - you can use hsa money tax free to pay premiums for Medicare Part B, Part D prescription drug plans, and Medicare Advantage (Part C) plans. These all count as qualified medical expenses under IRS Publication 969.

Medigap premiums are the exception. Under current IRS rules, Medicare Supplement (Medigap) premiums are not qualified expenses. If you pay premiums for Medigap from your HSA, the withdrawal is taxable - and before age 65, penalized.

If your medicare premiums are deducted from your Social Security check, you can still reimburse yourself from the HSA tax free. HSA funds can also cover medical costs like deductibles, copays, and coinsurance under Medicare. Confirm your situation with IRS Publication 969 and coordinate Medicare choices with your overall retirement planning strategy.

Beyond premiums, you can use your HSA for a broad range of health care costs tax free. Here is how the major categories break down:

Medical care: Doctor visits, hospital bills, outpatient procedures, diagnostics, and prescription drugs. Many over the counter medications also qualify under current rules.

Dental and vision: Cleanings, fillings, crowns, dentures, eye exams, prescription lenses, and contact lenses all count as qualified expenses.

Long-term care: HSA funds can pay tax-qualified long-term care insurance premiums up to IRS age-based limits. Long-term care can cost up to $132,000 annually, and Medicare does not cover long-term care expenses - making this one of the most important uses of hsa funds in later retirement. Nursing home costs and certain medically necessary services may also qualify.

Other expenses: Hearing aids, home health equipment, and many other costs retirees in Northwest Arkansas and Joplin commonly face. For full details, reference IRS Publication 502.

A healthy 65-year-old couple may spend $395,000 on healthcare over their lifetime. Your HSA can cover medical costs across all of these categories without adding a dollar to your taxable income.

This is the time-machine strategy, and it is one of the most powerful features of the HSA.

As long as the medical expense was incurred after your HSA was first established, there is no IRS deadline for reimbursement. You can pay for qualified medical expenses out of pocket today, invest your HSA funds in mutual funds or other investment options for long-term growth, and reimburse yourself decades later - completely tax free.

The steps are straightforward: pay qualified expenses with after tax dollars while working, keep detailed records (date, provider, amount, proof of payment), invest your HSA for growth, and withdraw later as a tax free reimbursement. You can invest HSA funds once your balance exceeds $2,000 at most providers, though administrative fees and investment options vary.

You cannot double-dip - expenses already deducted on Schedule A or reimbursed by another plan do not qualify. Keep digital copies of receipts and explanation-of-benefits statements.

Example: A 60-year-old in Rogers pays $20,000 in dental expenses and medical care out of pocket over several years, preserves receipts, lets the HSA grow invested, then pulls $20,000 tax free at age 70 to pay for other expenses - or even a new car. The withdrawal is legitimate because it reimburses real qualified expenses from years earlier.

HSAs are generally best treated as last-to-spend, giving them the longest runway to compound tax free for future health care costs and future medical expenses.

A common retirement income plan withdrawal order looks like this: spend taxable accounts and after tax savings first, then draw from tax-deferred retirement savings (IRA, 401(k)) for required income, and preserve Roth and HSA balances for later years - especially for large medical or long-term care costs.

HSAs pair powerfully with Roth conversion planning. Paying medical expenses from the HSA instead of pulling additional funds from an IRA keeps your modified adjusted gross income (MAGI) lower. Lower MAGI supports strategic Roth conversions before IRMAA surcharges kick in - because higher MAGI raises Medicare Part B and Part D premiums through Income-Related Monthly Adjustment Amounts.

The trade-off: if you have very high assets and limited heirs, spending the HSA sooner for healthcare costs may make sense. In most cases, preserving it for late-life medical shocks delivers greater tax benefits. Coordinate HSA spending with Social Security timing, investment withdrawals, and your broader tax strategy.

HSA contribution limits adjust annually with inflation. For the 2026 tax year, the IRS has set these limits:

Employer contributions (including seed money from Walmart, Tyson, or J.B. Hunt) count toward the annual limit. Track total contributions - employee plus employer - to avoid exceeding IRS limits and triggering the 6% excise tax on excess.

Contributions must be made by the tax filing deadline and must stop once you enroll in any part of Medicare. If you are changing health plans, retiring mid-year, or moving between individual and family coverage, confirm eligibility with a tax advisor each year.

HSAs are better spent during life than left as a primary legacy asset. The tax outcome depends entirely on who inherits.

If your spouse is the designated beneficiary, the HSA simply becomes their own HSA. They retain all triple tax benefits and can continue using it tax free for qualified medical expenses. This is the ideal outcome.

If a non-spouse beneficiary - an adult child, sibling, or anyone else - inherits your HSA, the full fair market value becomes taxable income to them in the year of your death. They cannot keep it as an HSA. That can create an unwelcome tax spike. If the estate is the beneficiary, the balance hits your final income tax return and may go through probate.

Planning strategies: name your spouse as primary beneficiary. Consider using HSA funds more aggressively in later retirement for qualified medical expenses rather than leaving a large balance to non-spouse heirs. Coordinate HSA beneficiary designations with your broader estate plan, trusts, and charitable goals.

Contributing after Medicare enrollment is the most frequent error. Once Part A or Part B is active, any contributions - including employer contributions - create excess that must be corrected or face ongoing 6% excise penalties.

Forgetting the six-month Part A lookback catches people who delayed Medicare. Contributions during that retroactive window must be removed with associated earnings before the filing deadline.

Paying Medigap premiums from the HSA is surprisingly common. Retirees assume all Medicare-related premiums qualify, but Medigap does not. Those withdrawals are taxable - and before 65, penalized.

Leaving HSA balances entirely in cash instead of investing for growth wastes compounding potential. If you have years before needing the money, consider the investment options your provider offers.

Tossing receipts destroys future tax free reimbursement opportunities. A financial professional would tell you: keep every EOB and receipt digitally.

Naming a non-spouse beneficiary without understanding the tax consequence means your heirs pay income tax on the full balance in one year. Review designations as part of your estate plan.

Revolutionary Wealth is a fiduciary financial planning firm based in Bentonville, Arkansas, founded by Drew Scott. We serve clients across Northwest Arkansas and the Joplin, MO area - and the HSA sits exactly where health decisions and tax decisions collide.

Medicare timing, IRMAA brackets, Roth conversions, withdrawal order, and your tax return all move together. Through our sister firm, Blueprint Business and Tax Advisors, our in-house CPA coordination plans them as one system - not an advisor who does not do taxes plus a CPA who only looks backward. This is not investment advice in a vacuum. It is integrated retirement planning.

The clients who benefit most include pre-retirees age 50–67 with large HSAs from Walmart, Tyson, or J.B. Hunt; single, divorced, or widowed women seeking confidence in health care and retirement decisions; and business owners who want to use HSAs alongside defined benefit or cash balance plans, supported by our Revolutionary Wealth team.

Request your free Retirement Efficiency Scorecard - a no-cost, no-obligation review mapping where your HSA, IRAs, Roth accounts, and taxable investments can be optimized, with a specific focus on future health care costs and HSA withdrawal timing. Schedule a conversation with our team today.

These questions come up regularly in client conversations and cover ground not fully explored above.